class_docstr: Patch a callback output value
  
  Act like a proxy of the output prop value on the frontend.
  
  Supported prop types: Dictionaries and lists.
docstr: Remove all items in a list
docstr_tok: ["Remove","all","items","in","a","list"]
code: def clear(self):
      """Remove all items in a list"""
      self._operations.append(_operation("Clear", self._location))
  
label_desc: Use image node_id 20 for calling the Patch obj's underlying member method code with example usage: obj.clear() without return types